分词分词有现在分词和过去分词两种。作为谓语,现在分词和be 一起构成进行时;过去分词和be一起构成被动语态,和have一起构成完成时。 例如:I am reading a novel by Maupassant. 我正在看一本莫泊桑写的小说。(现在分词和be 一起表示主语正在进行的动作。)Mr. R...2015-08-13
IF YOU’RE HIKING in Los Angeles, your naked eye can’t really tell the difference between pollution and run-of-the-mill fog. Nor can you measure the le...2015-08-13
I know you -- the heartbroken. I've been there recently, and plenty before. I know you better than you think I do. I know heartbreak as well as I know...2015-08-13